I am sure the answer is D
Organic elements, depends on the context of the question but I suspect that is the answer. The organic elements are H,O,C,N,P,S
Answer:
20.3-17.5=2.8ml 1ml=1cm3 vol= 2.8cm3
Explanation:
The atomic radium increases to the left and downwards on the periodic table.
By that logic, Se has the largest radius.